It was discovered that the GDK-PixBuf library contained an out-of-bounds write error when parsing an ico file. If a user or automatedsystem were tricked into opening a crafted ico file, a remote attacker coulduse this flaw to cause GDK-PixBuf to crash, resulting in a denial of service.This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS.